Inderscience Publishers

Eco-toxicity of oily wastes containing TENORM

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Oily wastes are considered as one of the most hazardous waste types. Additionally to petroleum components, they can contain radioactive elements. This study aimed to estimate the toxicity of four raw and two treated waste samples obtained from petroleum production yard. Eight elutriate bioassays using plants (
Raphanus sativus
and algae
Scenedesmus quadricauda
), crustacean (
Daphnia magna
and
Thamnocephalus platyurus
), rotifer (
Brachionus calyciflorus
), protozoa (
Paramecium caudatum
) and bacteria (
Bacillus pumilus
and luminescent commercial strain) were used. Two contact bioassays based on
R. sativus
and
B. pumilus
were applied. Total petroleum hydrocarbons (TPH) content and activity concentrations of radium, thorium and potassium were determined.

Keywords: TENORM, oily waste, toxicity, bioassay, waste management

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